UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HYRRpVp1r25mBiKbVq1xT62mNSpeRh1Y/WVZURbivj0=' 
WHERE 
  key_id = '4db7655736aefe071ee1a052bfe0d8b58ecd0defb0a4865e7b04e3c4f3a75c3e' 
  AND (
    token = 'HYRRpVp1r25mBiKbVq1xT62mNSpeRh1Y/WVZURbivj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040